armstrong/armstrong.core.arm_wells — pull request #16 by dmclain (2012-02-03 19:53:01+00:00)
Title: MergeQueryset should use count instead of len to implement count

Pagination of very large querysets can become pathologically bad if we do len instead of count, especially if (like we do at the Tribune) there is a subset of queryset that does complicated things on a per item basis